What Is a Radish? Radishes are a root vegetable that belong to the Brassicaceae family, which also includes other vegetables such as broccoli, cauliflower, and cabbage. They come in a variety of shapes, sizes, and colors, from small and round to long and cylindrical, and from white to red to purple. They are known for their crisp texture and peppery flavor, which can range from mild to peppery. Why Should You Eat Radishes? Radishes are not only delicious, but also packed with nutrients. They are low in calories and high in fiber. One cup of sliced radishes contains only 19 calories and two